Parsing a text string in Excel

I have the following strings of text in Excel cells and need to get the value with the "%" symbol. I have tried several approaches with FIND, MID, LEN, SUBSTITUTE, etc., but haven't found the solution yet.

99.3SN .7CU 1% LV-1000 ON TAPE (I need "1%")

96.5SN 3AG .5CU .5% LV1000 SPECIAL SHAPE (I need ".5%")

96.5SN 3AG .5CU .5% LV1000 SPECIAL SHAPE (I need ".5%")

96.5SN 3.5AG .75-1% LV-1000 ON TRAY (I need ".75-1%")

92.5PB 5SN 2.5AG .75% LV-1000 (I need ".75%")

Any help to point me in the right direction would be greatly appreciated.

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